31121277

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:481

約数の個数: 32

約数和(自身を含む): 47748096

約数和(自身を除く): 16626819

約数列:

[1, 3, 11, 23, 33, 69, 131, 253, 313, 393, 759, 939, 1441, 3013, 3443, 4323, 7199, 9039, 10329, 21597, 33143, 41003, 79189, 99429, 123009, 237567, 451033, 943069, 1353099, 2829207, 10373759, 31121277]

約数ペア:

[(1, 31121277), (3, 10373759), (11, 2829207), (23, 1353099), (33, 943069), (69, 451033), (131, 237567), (253, 123009), (313, 99429), (393, 79189), (759, 41003), (939, 33143), (1441, 21597), (3013, 10329), (3443, 9039), (4323, 7199)]